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I am running isc-dhcpd-4.4.1 and BIND 9.11.6 daemons on FreeBSD 11.2 server for a small company.

dhcpd serves a number of Windows stations (assigning them mostly static IP addresses), several special-purpose devices (getting static public IP addresses - must be available to our clients) and also different portable devices connecting the network through WiFi (which get addresses from a predefined range 192.168.120.50 - 192.168.120.200). The dynamically assigned clients get registered by the BIND named and their names are available both for forward and reverse DNS resolution. As the lease time for portable devices is short, they are automatically removed from DNS whenever they cease communicating.

So far, this arrangement works perfectly.

Now my question:

Is it possible to force DNS registration/removal for some specific portable devices that are expected to get always the same (statically defined) address? If so, how to configure it?

George JL
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  • I would really make this two different questions. Can you remove the second question, and copy your introduction text plus the second question to a new question? PS: Welcome to ServerFault! – Tommiie Mar 25 '19 at 08:40
  • @Tommiie - Thanks for your advice. – George JL Mar 25 '19 at 12:15

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